Naoki Kanayama Shigenori Uchiyama The Vanstone-Zuccherato Schemes Revisited. 2903-2907 2007 90-A IEICE Transactions 12 http://dx.doi.org/10.1093/ietfec/e90-a.12.2903 db/journals/ieicet/ieicet90a.html#KanayamaU07